1. People

Rintaro Hashimoto, MD, PhD

Clinical Assistant Professor of Internal Medicine-Gastroenterology and Hepatology

Current Positions

  • Clinical Assistant Professor of Internal Medicine-Gastroenterology and Hepatology

Education

  • MD, Osaka University School of Medicine, Osaka, Japan
  • PhD, Tohoku University School of Medicine, Sendai, Japan
  • Resident, Kobe City General Hospital, Kobe, Japan
  • Fellow, Radiology, Kobe City general Hospital, Kobe, Japan
  • Fellow, Diagnostic Radiology, National Cancer Center Central Hospital, Tokyo, Japan
  • Fellow, Gastroenterology, Sendai Kousei Hospital, Sendai, Japan
  • Fellow, Advanced Endoscopy, University of California Irvine Medical Center, Irvine California

Licenses & Certifications

  • Iowa Board of Medicine - Special Medical License
  • Iowa Board of Pharmacy - Controlled Substance Registration
  • DEA - Controlled Substance Registration

Selected Publications

  • Rintaro Hashimoto and Kenneth J. Chang. (2022) How to do Endoscopic Ultrasound‐guided Portal Pressure Gradient Measurement.  Atlas of Endoscopic Ultrasonography, 2nd Edition, 194-197.
  • Choi AY, Kolb J, Shah S, Chahine A, Hashimoto R, Patel A, Tsujino T, Huang J, Hu KQ, Chang K, Samarasena JB. (2022) Endoscopic ultrasound-guided portal pressure gradient with liver biopsy: 6 years of endo-hepatology in practice.  J Gastroenterol Hepatol. 37(7):1373-1379. PMID 35513894
  • Shimizu T, Samarasena JB, Fortinsky KJ, Hashimoto R, El Hage Chehade N, Chin MA, Moosvi Z, Chang KJ. (2021) Benefit, tolerance, and safety of hybrid argon plasma coagulation for treatment of Barrett's esophagus: US pilot study.  Endosc Int Open. 9(12):E1870-E1876. PMID 34917455
  • Hashimoto R, Lee DP, Samarasena JB, Chandan VS, Guo W, Lee JG, Chang KJ. (2021) Comparison of Two Specialized Histology Needles for Endoscopic Ultrasound (EUS)-Guided Liver Biopsy: A Pilot Study. Dig Dis Sci. 66:1700-1706. PMID 32556821
  • Hashimoto R, Chang KJ. (2021) EUS-guided Hepatic Interventions. Dig Endosc. 33:54-65 PMID 32145117
  • Hashimoto R, Chang KJ. (2020) Minimizing reflux after peroral endoscopic myotomy: navigational pocket technique. Endoscopy. 52:E277-E278. PMID 32023634
  • Hashimoto R, Inoue H, Shimamura Y, Sakuraba A, Tomizawa Y. (2020) Per oral endoscopic myotomy as salvage therapy in patients with achalasia refractory to endoscopic or surgical therapy is technically feasible and safe: Systematic review and meta-analysis. Dig Endosc. 32:1042-1049. PMID 32012360
  • Hashimoto R, Requa J, Dao T, Ninh A, Tran E, Mai D, Lugo M, El-Hage Chehade N, Chang KJ, Karnes WE, Samarasena JB. (2020) Artificial intelligence using convolutional neural networks for real-time detection of early esophageal neoplasia in Barrett's esophagus (with video). Gastrointest Endosc 91:1264-1271. PMID 31930967
  • Ngamruengphong S, Ferri L, Aihara H, Draganov PV, Yang DJ, Perbtani YB, Jue TL, Munroe CA,   Boparai ES, Mehta NA, Bhatt A, Kumta NA, Othman MO, Mercado M, Javaid H, Aadam AA, Siegel A, James TW, Grimm IS, DeWitt JM, Novikov A, Schlachterman A, Kowalski T, Samarasena J, Hashimoto R, Chehade NEH, Lee J, Chang K, Su B, Ujiki MB, Mehta A, Sharaiha RZ, Carr-Locke DL, Chen A, Chen M, Chen YI,Khoshknab MP, Wang R, Kerdsirichairat T, Tomizawa Y, von Renteln D, Kumbhari V, Khashab MA, Bechara R, Karasik M, Patel NJ, Fukami N, Nishimura M, Hanada Y, Wong Kee Song LM, Laszkowska M, Wang AY, Hwang JH, Friedland S, Sethi A, Kalloo AN. (2020) Efficacy of Endoscopic Submucosal Dissection for Superficial Gastric Neoplasia in a Large Cohort in North America. Clin Gastroenterol Hepatol. PMID 32565290.

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